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jpeg2avihojoon
This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
(This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
)
- 2009-09-17 13:05:51下载
- 积分：1
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yangtiao
信号处理的常用程序，三次样条滤波，提供给信号处理编程初学者(Common signal processing procedures, cubic spline filter, provide signal processing program for beginners)
- 2010-10-18 17:10:21下载
- 积分：1
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sy1_4
说明： 读取图像lena.tif，进行DCT变换，每个图像块保留10个DCT系数进行重构图像，比较重建图像与原始图像的差异。(Read the image lena.tif, the DCT transform, each image block of 10 DCT coefficients to retain the reconstructed image, reconstructed image compared with the original image differences.)
- 2011-03-23 19:29:03下载
- 积分：1
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IIR
使用iir方法设计的数字滤波器，通过验证，功各位使用。(Designed using iir digital filter, through verification, power you use.)
- 2010-05-21 21:14:24下载
- 积分：1
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deinterlace
deinterlace去隔行算法，将隔行序列变为逐行(deinterlacing algorithms deinterlace interlaced sequences into progressive)
- 2020-08-05 13:38:34下载
- 积分：1
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Equiripple-Filters
关于等波纹滤波器设计的文档，其中包括三种图形，脉冲响应，对数幅频特性，通带阻带波纹。(Corrugated filter design documentation on and so on, which includes three graphics, impulse response, logarithmic amplitude-frequency characteristics, the stopband passband ripple.)
- 2014-10-11 17:39:45下载
- 积分：1
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matlab-picture
MATLAB图形技术——绘图及图形用户接口(MATLAB graphics- graphics and graphical user interfaces)
- 2013-10-19 21:02:51下载
- 积分：1
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zsy_pidjj
这是在matlab的基础上开发出的pid控制器源代码(It is developed on the basis of matlab pid controller source code)
- 2014-02-17 21:21:02下载
- 积分：1
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CrossEntropy
说明： 使用交叉熵算法，对组合优化问题，逐步逼近最优解完成寻优(Using cross entropy method to optimize the problem)
- 2020-05-01 22:56:42下载
- 积分：1
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radar-signal
自编比较全面的部分雷达信号编码，可自行修改使用，(Part of a more comprehensive self radar signal encoding, you can modify their own use,)
- 2014-10-29 15:44:26下载
- 积分：1
